—Jim, could you tell me if you _____________ our party tomorrow?
—I think I will if I _____________ free.
| A．will take part in, will be | B．take part in, am |
| C．will take part in, am | D．would take part in, will be |
—You __________ in the south of China, didn’t you?
—Yes, but now I like living here though it’s cold all the year around.
| A．are used to living | B．were used to living | C．used to live | D．didn’t use to |
—I can’t always understand when people talk to me in English.
—Why not __________English more after class?
| A．practice speaking | B．practice writing | C．to practice speaking | D．to practice writing |
— You must keep the door _______ when you leave your room.
— But I want to get the fresh air. I think I can keep the window ________ instead.
| A．close, opened | B．open, closed | C．closing, open | D．closed, open |
—Look at the girl! Is it Susan?
—No, it __________ be her. She has gone back to her hometown.
| A．can’t | B．mustn’t | C．needn’t | D．wouldn’t |